Home / 9,079.16-12,530.40-5,541.62

Finding the Fourth Proportional to 9,079.16, 12,530.40 and 5,541.62

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Solution

The fourth proportional to 9,079.16, 12,530.40 and 5,541.62 is: 7,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.16 : 12,530.40 = 5,541.62 : x
  2. Step 2: Convert to fraction form
    9,079.16/12,530.40 = 5,541.62/x
  3. Step 3: Cross multiply
    9,079.16x = 12,530.40 × 5,541.62
  4. Step 4: Simplify right side
    9,079.16x = 69,438,715.25
  5. Step 5: Solve for x
    x = 69,438,715.25/9,079.16
  6. Step 6: Final answer
    x = 7,648.14

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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.