Home / 10,637.76-14,688.72-6,862.80

Finding the Fourth Proportional to 10,637.76, 14,688.72 and 6,862.80

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Solution

The fourth proportional to 10,637.76, 14,688.72 and 6,862.80 is: 9,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.76 : 14,688.72 = 6,862.80 : x
  2. Step 2: Convert to fraction form
    10,637.76/14,688.72 = 6,862.80/x
  3. Step 3: Cross multiply
    10,637.76x = 14,688.72 × 6,862.80
  4. Step 4: Simplify right side
    10,637.76x = 100,805,747.62
  5. Step 5: Solve for x
    x = 100,805,747.62/10,637.76
  6. Step 6: Final answer
    x = 9,476.22

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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.