Home / 7,001.12-10,497.36-4,077.92

Finding the Fourth Proportional to 7,001.12, 10,497.36 and 4,077.92

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Solution

The fourth proportional to 7,001.12, 10,497.36 and 4,077.92 is: 6,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.12 : 10,497.36 = 4,077.92 : x
  2. Step 2: Convert to fraction form
    7,001.12/10,497.36 = 4,077.92/x
  3. Step 3: Cross multiply
    7,001.12x = 10,497.36 × 4,077.92
  4. Step 4: Simplify right side
    7,001.12x = 42,807,394.29
  5. Step 5: Solve for x
    x = 42,807,394.29/7,001.12
  6. Step 6: Final answer
    x = 6,114.36

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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.