Home / 10,314.64-15,463.56-5,117.68

Finding the Fourth Proportional to 10,314.64, 15,463.56 and 5,117.68

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Solution

The fourth proportional to 10,314.64, 15,463.56 and 5,117.68 is: 7,672.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,314.64 : 15,463.56 = 5,117.68 : x
  2. Step 2: Convert to fraction form
    10,314.64/15,463.56 = 5,117.68/x
  3. Step 3: Cross multiply
    10,314.64x = 15,463.56 × 5,117.68
  4. Step 4: Simplify right side
    10,314.64x = 79,137,551.74
  5. Step 5: Solve for x
    x = 79,137,551.74/10,314.64
  6. Step 6: Final answer
    x = 7,672.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.