Home / 9,280.13-13,916.54-3,432.74

Finding the Fourth Proportional to 9,280.13, 13,916.54 and 3,432.74

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Solution

The fourth proportional to 9,280.13, 13,916.54 and 3,432.74 is: 5,147.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.13 : 13,916.54 = 3,432.74 : x
  2. Step 2: Convert to fraction form
    9,280.13/13,916.54 = 3,432.74/x
  3. Step 3: Cross multiply
    9,280.13x = 13,916.54 × 3,432.74
  4. Step 4: Simplify right side
    9,280.13x = 47,771,802.52
  5. Step 5: Solve for x
    x = 47,771,802.52/9,280.13
  6. Step 6: Final answer
    x = 5,147.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.