Home / 10,862.07-14,990.18-6,146.25

Finding the Fourth Proportional to 10,862.07, 14,990.18 and 6,146.25

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Solution

The fourth proportional to 10,862.07, 14,990.18 and 6,146.25 is: 8,482.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862.07 : 14,990.18 = 6,146.25 : x
  2. Step 2: Convert to fraction form
    10,862.07/14,990.18 = 6,146.25/x
  3. Step 3: Cross multiply
    10,862.07x = 14,990.18 × 6,146.25
  4. Step 4: Simplify right side
    10,862.07x = 92,133,363.09
  5. Step 5: Solve for x
    x = 92,133,363.09/10,862.07
  6. Step 6: Final answer
    x = 8,482.12

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Half scale
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Double scale
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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.