Home / 10,158.90-14,017.47-5,909.36

Finding the Fourth Proportional to 10,158.90, 14,017.47 and 5,909.36

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Solution

The fourth proportional to 10,158.90, 14,017.47 and 5,909.36 is: 8,153.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.90 : 14,017.47 = 5,909.36 : x
  2. Step 2: Convert to fraction form
    10,158.90/14,017.47 = 5,909.36/x
  3. Step 3: Cross multiply
    10,158.90x = 14,017.47 × 5,909.36
  4. Step 4: Simplify right side
    10,158.90x = 82,834,206.43
  5. Step 5: Solve for x
    x = 82,834,206.43/10,158.90
  6. Step 6: Final answer
    x = 8,153.86

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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.