Home / 10,400.76-15,592.02-4,555.40

Finding the Fourth Proportional to 10,400.76, 15,592.02 and 4,555.40

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Solution

The fourth proportional to 10,400.76, 15,592.02 and 4,555.40 is: 6,829.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.76 : 15,592.02 = 4,555.40 : x
  2. Step 2: Convert to fraction form
    10,400.76/15,592.02 = 4,555.40/x
  3. Step 3: Cross multiply
    10,400.76x = 15,592.02 × 4,555.40
  4. Step 4: Simplify right side
    10,400.76x = 71,027,887.91
  5. Step 5: Solve for x
    x = 71,027,887.91/10,400.76
  6. Step 6: Final answer
    x = 6,829.11

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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.