Home / 10,009.17-15,013.55-2,613.60

Finding the Fourth Proportional to 10,009.17, 15,013.55 and 2,613.60

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Solution

The fourth proportional to 10,009.17, 15,013.55 and 2,613.60 is: 3,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009.17 : 15,013.55 = 2,613.60 : x
  2. Step 2: Convert to fraction form
    10,009.17/15,013.55 = 2,613.60/x
  3. Step 3: Cross multiply
    10,009.17x = 15,013.55 × 2,613.60
  4. Step 4: Simplify right side
    10,009.17x = 39,239,420.81
  5. Step 5: Solve for x
    x = 39,239,420.81/10,009.17
  6. Step 6: Final answer
    x = 3,920.35

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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.