Home / 8,585.60-11,849.32-5,442.08

Finding the Fourth Proportional to 8,585.60, 11,849.32 and 5,442.08

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Solution

The fourth proportional to 8,585.60, 11,849.32 and 5,442.08 is: 7,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.60 : 11,849.32 = 5,442.08 : x
  2. Step 2: Convert to fraction form
    8,585.60/11,849.32 = 5,442.08/x
  3. Step 3: Cross multiply
    8,585.60x = 11,849.32 × 5,442.08
  4. Step 4: Simplify right side
    8,585.60x = 64,484,947.39
  5. Step 5: Solve for x
    x = 64,484,947.39/8,585.60
  6. Step 6: Final answer
    x = 7,510.83

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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.