Home / 9,428.17-14,034.47-9,288.04

Finding the Fourth Proportional to 9,428.17, 14,034.47 and 9,288.04

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Solution

The fourth proportional to 9,428.17, 14,034.47 and 9,288.04 is: 13,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.17 : 14,034.47 = 9,288.04 : x
  2. Step 2: Convert to fraction form
    9,428.17/14,034.47 = 9,288.04/x
  3. Step 3: Cross multiply
    9,428.17x = 14,034.47 × 9,288.04
  4. Step 4: Simplify right side
    9,428.17x = 130,352,602.13
  5. Step 5: Solve for x
    x = 130,352,602.13/9,428.17
  6. Step 6: Final answer
    x = 13,825.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.