Home / 9,217.76-12,720.40-5,026.08

Finding the Fourth Proportional to 9,217.76, 12,720.40 and 5,026.08

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Solution

The fourth proportional to 9,217.76, 12,720.40 and 5,026.08 is: 6,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,217.76 : 12,720.40 = 5,026.08 : x
  2. Step 2: Convert to fraction form
    9,217.76/12,720.40 = 5,026.08/x
  3. Step 3: Cross multiply
    9,217.76x = 12,720.40 × 5,026.08
  4. Step 4: Simplify right side
    9,217.76x = 63,933,748.03
  5. Step 5: Solve for x
    x = 63,933,748.03/9,217.76
  6. Step 6: Final answer
    x = 6,935.93

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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.