Home / 7,335.18-10,987.20-5,767.74

Finding the Fourth Proportional to 7,335.18, 10,987.20 and 5,767.74

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Solution

The fourth proportional to 7,335.18, 10,987.20 and 5,767.74 is: 8,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.18 : 10,987.20 = 5,767.74 : x
  2. Step 2: Convert to fraction form
    7,335.18/10,987.20 = 5,767.74/x
  3. Step 3: Cross multiply
    7,335.18x = 10,987.20 × 5,767.74
  4. Step 4: Simplify right side
    7,335.18x = 63,371,312.93
  5. Step 5: Solve for x
    x = 63,371,312.93/7,335.18
  6. Step 6: Final answer
    x = 8,639.37

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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.