Home / 10,518.00-15,787.52-7,559.92

Finding the Fourth Proportional to 10,518.00, 15,787.52 and 7,559.92

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Solution

The fourth proportional to 10,518.00, 15,787.52 and 7,559.92 is: 11,347.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.00 : 15,787.52 = 7,559.92 : x
  2. Step 2: Convert to fraction form
    10,518.00/15,787.52 = 7,559.92/x
  3. Step 3: Cross multiply
    10,518.00x = 15,787.52 × 7,559.92
  4. Step 4: Simplify right side
    10,518.00x = 119,352,352.20
  5. Step 5: Solve for x
    x = 119,352,352.20/10,518.00
  6. Step 6: Final answer
    x = 11,347.44

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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.