Home / 8,386.32-11,566.53-5,402.46

Finding the Fourth Proportional to 8,386.32, 11,566.53 and 5,402.46

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Solution

The fourth proportional to 8,386.32, 11,566.53 and 5,402.46 is: 7,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.32 : 11,566.53 = 5,402.46 : x
  2. Step 2: Convert to fraction form
    8,386.32/11,566.53 = 5,402.46/x
  3. Step 3: Cross multiply
    8,386.32x = 11,566.53 × 5,402.46
  4. Step 4: Simplify right side
    8,386.32x = 62,487,715.66
  5. Step 5: Solve for x
    x = 62,487,715.66/8,386.32
  6. Step 6: Final answer
    x = 7,451.15

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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.