Home / 10,277.43-15,423.45-9,285.99

Finding the Fourth Proportional to 10,277.43, 15,423.45 and 9,285.99

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Solution

The fourth proportional to 10,277.43, 15,423.45 and 9,285.99 is: 13,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.43 : 15,423.45 = 9,285.99 : x
  2. Step 2: Convert to fraction form
    10,277.43/15,423.45 = 9,285.99/x
  3. Step 3: Cross multiply
    10,277.43x = 15,423.45 × 9,285.99
  4. Step 4: Simplify right side
    10,277.43x = 143,222,002.47
  5. Step 5: Solve for x
    x = 143,222,002.47/10,277.43
  6. Step 6: Final answer
    x = 13,935.59

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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.