Home / 9,543.90-14,245.61-8,875.38

Finding the Fourth Proportional to 9,543.90, 14,245.61 and 8,875.38

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Solution

The fourth proportional to 9,543.90, 14,245.61 and 8,875.38 is: 13,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.90 : 14,245.61 = 8,875.38 : x
  2. Step 2: Convert to fraction form
    9,543.90/14,245.61 = 8,875.38/x
  3. Step 3: Cross multiply
    9,543.90x = 14,245.61 × 8,875.38
  4. Step 4: Simplify right side
    9,543.90x = 126,435,157.70
  5. Step 5: Solve for x
    x = 126,435,157.70/9,543.90
  6. Step 6: Final answer
    x = 13,247.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.