Home / 7,345.52-10,139.48-4,862.32

Finding the Fourth Proportional to 7,345.52, 10,139.48 and 4,862.32

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Solution

The fourth proportional to 7,345.52, 10,139.48 and 4,862.32 is: 6,711.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.52 : 10,139.48 = 4,862.32 : x
  2. Step 2: Convert to fraction form
    7,345.52/10,139.48 = 4,862.32/x
  3. Step 3: Cross multiply
    7,345.52x = 10,139.48 × 4,862.32
  4. Step 4: Simplify right side
    7,345.52x = 49,301,396.39
  5. Step 5: Solve for x
    x = 49,301,396.39/7,345.52
  6. Step 6: Final answer
    x = 6,711.76

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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.