Home / 9,475.48-13,079.77-7,124.45

Finding the Fourth Proportional to 9,475.48, 13,079.77 and 7,124.45

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Solution

The fourth proportional to 9,475.48, 13,079.77 and 7,124.45 is: 9,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.48 : 13,079.77 = 7,124.45 : x
  2. Step 2: Convert to fraction form
    9,475.48/13,079.77 = 7,124.45/x
  3. Step 3: Cross multiply
    9,475.48x = 13,079.77 × 7,124.45
  4. Step 4: Simplify right side
    9,475.48x = 93,186,167.38
  5. Step 5: Solve for x
    x = 93,186,167.38/9,475.48
  6. Step 6: Final answer
    x = 9,834.45

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Double scale
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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.