Home / 8,972.04-13,436.10-7,402.44

Finding the Fourth Proportional to 8,972.04, 13,436.10 and 7,402.44

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Solution

The fourth proportional to 8,972.04, 13,436.10 and 7,402.44 is: 11,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.04 : 13,436.10 = 7,402.44 : x
  2. Step 2: Convert to fraction form
    8,972.04/13,436.10 = 7,402.44/x
  3. Step 3: Cross multiply
    8,972.04x = 13,436.10 × 7,402.44
  4. Step 4: Simplify right side
    8,972.04x = 99,459,924.08
  5. Step 5: Solve for x
    x = 99,459,924.08/8,972.04
  6. Step 6: Final answer
    x = 11,085.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.