Home / 9,325.90-12,869.94-5,347.18

Finding the Fourth Proportional to 9,325.90, 12,869.94 and 5,347.18

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Solution

The fourth proportional to 9,325.90, 12,869.94 and 5,347.18 is: 7,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.90 : 12,869.94 = 5,347.18 : x
  2. Step 2: Convert to fraction form
    9,325.90/12,869.94 = 5,347.18/x
  3. Step 3: Cross multiply
    9,325.90x = 12,869.94 × 5,347.18
  4. Step 4: Simplify right side
    9,325.90x = 68,817,885.77
  5. Step 5: Solve for x
    x = 68,817,885.77/9,325.90
  6. Step 6: Final answer
    x = 7,379.22

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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.