Home / 10,143.16-14,007.13-9,590.94

Finding the Fourth Proportional to 10,143.16, 14,007.13 and 9,590.94

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Solution

The fourth proportional to 10,143.16, 14,007.13 and 9,590.94 is: 13,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143.16 : 14,007.13 = 9,590.94 : x
  2. Step 2: Convert to fraction form
    10,143.16/14,007.13 = 9,590.94/x
  3. Step 3: Cross multiply
    10,143.16x = 14,007.13 × 9,590.94
  4. Step 4: Simplify right side
    10,143.16x = 134,341,519.42
  5. Step 5: Solve for x
    x = 134,341,519.42/10,143.16
  6. Step 6: Final answer
    x = 13,244.55

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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.