Home / 10,631.16-15,863.81-10,569.96

Finding the Fourth Proportional to 10,631.16, 15,863.81 and 10,569.96

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Solution

The fourth proportional to 10,631.16, 15,863.81 and 10,569.96 is: 15,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.16 : 15,863.81 = 10,569.96 : x
  2. Step 2: Convert to fraction form
    10,631.16/15,863.81 = 10,569.96/x
  3. Step 3: Cross multiply
    10,631.16x = 15,863.81 × 10,569.96
  4. Step 4: Simplify right side
    10,631.16x = 167,679,784.30
  5. Step 5: Solve for x
    x = 167,679,784.30/10,631.16
  6. Step 6: Final answer
    x = 15,772.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.