Home / 9,088.02-12,540.15-5,311.53

Finding the Fourth Proportional to 9,088.02, 12,540.15 and 5,311.53

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Solution

The fourth proportional to 9,088.02, 12,540.15 and 5,311.53 is: 7,329.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,088.02 : 12,540.15 = 5,311.53 : x
  2. Step 2: Convert to fraction form
    9,088.02/12,540.15 = 5,311.53/x
  3. Step 3: Cross multiply
    9,088.02x = 12,540.15 × 5,311.53
  4. Step 4: Simplify right side
    9,088.02x = 66,607,382.93
  5. Step 5: Solve for x
    x = 66,607,382.93/9,088.02
  6. Step 6: Final answer
    x = 7,329.14

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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.