Home / 7,459.61-11,167.81-5,618.48

Finding the Fourth Proportional to 7,459.61, 11,167.81 and 5,618.48

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Solution

The fourth proportional to 7,459.61, 11,167.81 and 5,618.48 is: 8,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.61 : 11,167.81 = 5,618.48 : x
  2. Step 2: Convert to fraction form
    7,459.61/11,167.81 = 5,618.48/x
  3. Step 3: Cross multiply
    7,459.61x = 11,167.81 × 5,618.48
  4. Step 4: Simplify right side
    7,459.61x = 62,746,047.24
  5. Step 5: Solve for x
    x = 62,746,047.24/7,459.61
  6. Step 6: Final answer
    x = 8,411.44

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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.