Home / 8,158.93-11,259.33-4,432.93

Finding the Fourth Proportional to 8,158.93, 11,259.33 and 4,432.93

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Solution

The fourth proportional to 8,158.93, 11,259.33 and 4,432.93 is: 6,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.93 : 11,259.33 = 4,432.93 : x
  2. Step 2: Convert to fraction form
    8,158.93/11,259.33 = 4,432.93/x
  3. Step 3: Cross multiply
    8,158.93x = 11,259.33 × 4,432.93
  4. Step 4: Simplify right side
    8,158.93x = 49,911,821.74
  5. Step 5: Solve for x
    x = 49,911,821.74/8,158.93
  6. Step 6: Final answer
    x = 6,117.45

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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.