Home / 7,417.07-11,113.29-5,221.18

Finding the Fourth Proportional to 7,417.07, 11,113.29 and 5,221.18

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Solution

The fourth proportional to 7,417.07, 11,113.29 and 5,221.18 is: 7,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.07 : 11,113.29 = 5,221.18 : x
  2. Step 2: Convert to fraction form
    7,417.07/11,113.29 = 5,221.18/x
  3. Step 3: Cross multiply
    7,417.07x = 11,113.29 × 5,221.18
  4. Step 4: Simplify right side
    7,417.07x = 58,024,487.48
  5. Step 5: Solve for x
    x = 58,024,487.48/7,417.07
  6. Step 6: Final answer
    x = 7,823.10

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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.