Home / 10,860.48-14,988.96-6,385.32

Finding the Fourth Proportional to 10,860.48, 14,988.96 and 6,385.32

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Solution

The fourth proportional to 10,860.48, 14,988.96 and 6,385.32 is: 8,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.48 : 14,988.96 = 6,385.32 : x
  2. Step 2: Convert to fraction form
    10,860.48/14,988.96 = 6,385.32/x
  3. Step 3: Cross multiply
    10,860.48x = 14,988.96 × 6,385.32
  4. Step 4: Simplify right side
    10,860.48x = 95,709,306.07
  5. Step 5: Solve for x
    x = 95,709,306.07/10,860.48
  6. Step 6: Final answer
    x = 8,812.62

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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.