Home / 10,055.30-15,023.44-9,710.78

Finding the Fourth Proportional to 10,055.30, 15,023.44 and 9,710.78

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Solution

The fourth proportional to 10,055.30, 15,023.44 and 9,710.78 is: 14,508.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.30 : 15,023.44 = 9,710.78 : x
  2. Step 2: Convert to fraction form
    10,055.30/15,023.44 = 9,710.78/x
  3. Step 3: Cross multiply
    10,055.30x = 15,023.44 × 9,710.78
  4. Step 4: Simplify right side
    10,055.30x = 145,889,320.68
  5. Step 5: Solve for x
    x = 145,889,320.68/10,055.30
  6. Step 6: Final answer
    x = 14,508.70

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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.