Home / 10,442.55-15,663.11-4,897.13

Finding the Fourth Proportional to 10,442.55, 15,663.11 and 4,897.13

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Solution

The fourth proportional to 10,442.55, 15,663.11 and 4,897.13 is: 7,345.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.55 : 15,663.11 = 4,897.13 : x
  2. Step 2: Convert to fraction form
    10,442.55/15,663.11 = 4,897.13/x
  3. Step 3: Cross multiply
    10,442.55x = 15,663.11 × 4,897.13
  4. Step 4: Simplify right side
    10,442.55x = 76,704,183.07
  5. Step 5: Solve for x
    x = 76,704,183.07/10,442.55
  6. Step 6: Final answer
    x = 7,345.35

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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.