Home / 10,281.15-14,187.93-5,565.44

Finding the Fourth Proportional to 10,281.15, 14,187.93 and 5,565.44

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Solution

The fourth proportional to 10,281.15, 14,187.93 and 5,565.44 is: 7,680.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.15 : 14,187.93 = 5,565.44 : x
  2. Step 2: Convert to fraction form
    10,281.15/14,187.93 = 5,565.44/x
  3. Step 3: Cross multiply
    10,281.15x = 14,187.93 × 5,565.44
  4. Step 4: Simplify right side
    10,281.15x = 78,962,002.20
  5. Step 5: Solve for x
    x = 78,962,002.20/10,281.15
  6. Step 6: Final answer
    x = 7,680.27

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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.