Home / 10,079.66-13,909.58-5,603.60

Finding the Fourth Proportional to 10,079.66, 13,909.58 and 5,603.60

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Solution

The fourth proportional to 10,079.66, 13,909.58 and 5,603.60 is: 7,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.66 : 13,909.58 = 5,603.60 : x
  2. Step 2: Convert to fraction form
    10,079.66/13,909.58 = 5,603.60/x
  3. Step 3: Cross multiply
    10,079.66x = 13,909.58 × 5,603.60
  4. Step 4: Simplify right side
    10,079.66x = 77,943,753.64
  5. Step 5: Solve for x
    x = 77,943,753.64/10,079.66
  6. Step 6: Final answer
    x = 7,732.77

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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.