Home / 10,433.76-14,397.84-5,717.28

Finding the Fourth Proportional to 10,433.76, 14,397.84 and 5,717.28

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Solution

The fourth proportional to 10,433.76, 14,397.84 and 5,717.28 is: 7,889.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.76 : 14,397.84 = 5,717.28 : x
  2. Step 2: Convert to fraction form
    10,433.76/14,397.84 = 5,717.28/x
  3. Step 3: Cross multiply
    10,433.76x = 14,397.84 × 5,717.28
  4. Step 4: Simplify right side
    10,433.76x = 82,316,482.68
  5. Step 5: Solve for x
    x = 82,316,482.68/10,433.76
  6. Step 6: Final answer
    x = 7,889.44

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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.