Home / 10,503.19-14,490.24-7,315.64

Finding the Fourth Proportional to 10,503.19, 14,490.24 and 7,315.64

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Solution

The fourth proportional to 10,503.19, 14,490.24 and 7,315.64 is: 10,092.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.19 : 14,490.24 = 7,315.64 : x
  2. Step 2: Convert to fraction form
    10,503.19/14,490.24 = 7,315.64/x
  3. Step 3: Cross multiply
    10,503.19x = 14,490.24 × 7,315.64
  4. Step 4: Simplify right side
    10,503.19x = 106,005,306.90
  5. Step 5: Solve for x
    x = 106,005,306.90/10,503.19
  6. Step 6: Final answer
    x = 10,092.68

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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.