Home / 10,458.64-15,595.70-9,007.12

Finding the Fourth Proportional to 10,458.64, 15,595.70 and 9,007.12

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Solution

The fourth proportional to 10,458.64, 15,595.70 and 9,007.12 is: 13,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.64 : 15,595.70 = 9,007.12 : x
  2. Step 2: Convert to fraction form
    10,458.64/15,595.70 = 9,007.12/x
  3. Step 3: Cross multiply
    10,458.64x = 15,595.70 × 9,007.12
  4. Step 4: Simplify right side
    10,458.64x = 140,472,341.38
  5. Step 5: Solve for x
    x = 140,472,341.38/10,458.64
  6. Step 6: Final answer
    x = 13,431.22

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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.