Home / 10,782.18-14,884.02-7,423.92

Finding the Fourth Proportional to 10,782.18, 14,884.02 and 7,423.92

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Solution

The fourth proportional to 10,782.18, 14,884.02 and 7,423.92 is: 10,248.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.18 : 14,884.02 = 7,423.92 : x
  2. Step 2: Convert to fraction form
    10,782.18/14,884.02 = 7,423.92/x
  3. Step 3: Cross multiply
    10,782.18x = 14,884.02 × 7,423.92
  4. Step 4: Simplify right side
    10,782.18x = 110,497,773.76
  5. Step 5: Solve for x
    x = 110,497,773.76/10,782.18
  6. Step 6: Final answer
    x = 10,248.18

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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.