Home / 10,778.17-14,868.88-6,302.11

Finding the Fourth Proportional to 10,778.17, 14,868.88 and 6,302.11

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Solution

The fourth proportional to 10,778.17, 14,868.88 and 6,302.11 is: 8,693.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778.17 : 14,868.88 = 6,302.11 : x
  2. Step 2: Convert to fraction form
    10,778.17/14,868.88 = 6,302.11/x
  3. Step 3: Cross multiply
    10,778.17x = 14,868.88 × 6,302.11
  4. Step 4: Simplify right side
    10,778.17x = 93,705,317.34
  5. Step 5: Solve for x
    x = 93,705,317.34/10,778.17
  6. Step 6: Final answer
    x = 8,693.99

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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.