Home / 7,507.29-10,354.56-6,510.84

Finding the Fourth Proportional to 7,507.29, 10,354.56 and 6,510.84

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Solution

The fourth proportional to 7,507.29, 10,354.56 and 6,510.84 is: 8,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.29 : 10,354.56 = 6,510.84 : x
  2. Step 2: Convert to fraction form
    7,507.29/10,354.56 = 6,510.84/x
  3. Step 3: Cross multiply
    7,507.29x = 10,354.56 × 6,510.84
  4. Step 4: Simplify right side
    7,507.29x = 67,416,883.43
  5. Step 5: Solve for x
    x = 67,416,883.43/7,507.29
  6. Step 6: Final answer
    x = 8,980.19

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Double scale
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Similar ratio
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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.