Home / 9,105.13-12,565.06-5,126.25

Finding the Fourth Proportional to 9,105.13, 12,565.06 and 5,126.25

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Solution

The fourth proportional to 9,105.13, 12,565.06 and 5,126.25 is: 7,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,105.13 : 12,565.06 = 5,126.25 : x
  2. Step 2: Convert to fraction form
    9,105.13/12,565.06 = 5,126.25/x
  3. Step 3: Cross multiply
    9,105.13x = 12,565.06 × 5,126.25
  4. Step 4: Simplify right side
    9,105.13x = 64,411,673.13
  5. Step 5: Solve for x
    x = 64,411,673.13/9,105.13
  6. Step 6: Final answer
    x = 7,074.22

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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.