Home / 7,486.17-10,330.38-4,657.65

Finding the Fourth Proportional to 7,486.17, 10,330.38 and 4,657.65

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Solution

The fourth proportional to 7,486.17, 10,330.38 and 4,657.65 is: 6,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.17 : 10,330.38 = 4,657.65 : x
  2. Step 2: Convert to fraction form
    7,486.17/10,330.38 = 4,657.65/x
  3. Step 3: Cross multiply
    7,486.17x = 10,330.38 × 4,657.65
  4. Step 4: Simplify right side
    7,486.17x = 48,115,294.41
  5. Step 5: Solve for x
    x = 48,115,294.41/7,486.17
  6. Step 6: Final answer
    x = 6,427.22

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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.