Home / 10,868.70-14,998.74-6,153.18

Finding the Fourth Proportional to 10,868.70, 14,998.74 and 6,153.18

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Solution

The fourth proportional to 10,868.70, 14,998.74 and 6,153.18 is: 8,491.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.70 : 14,998.74 = 6,153.18 : x
  2. Step 2: Convert to fraction form
    10,868.70/14,998.74 = 6,153.18/x
  3. Step 3: Cross multiply
    10,868.70x = 14,998.74 × 6,153.18
  4. Step 4: Simplify right side
    10,868.70x = 92,289,946.99
  5. Step 5: Solve for x
    x = 92,289,946.99/10,868.70
  6. Step 6: Final answer
    x = 8,491.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.