Home / 12,567.40-17,343.50-6,902.39

Finding the Fourth Proportional to 12,567.40, 17,343.50 and 6,902.39

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Solution

The fourth proportional to 12,567.40, 17,343.50 and 6,902.39 is: 9,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.40 : 17,343.50 = 6,902.39 : x
  2. Step 2: Convert to fraction form
    12,567.40/17,343.50 = 6,902.39/x
  3. Step 3: Cross multiply
    12,567.40x = 17,343.50 × 6,902.39
  4. Step 4: Simplify right side
    12,567.40x = 119,711,609.81
  5. Step 5: Solve for x
    x = 119,711,609.81/12,567.40
  6. Step 6: Final answer
    x = 9,525.57

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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.