Home / 10,487.22-14,471.51-6,506.88

Finding the Fourth Proportional to 10,487.22, 14,471.51 and 6,506.88

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Solution

The fourth proportional to 10,487.22, 14,471.51 and 6,506.88 is: 8,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.22 : 14,471.51 = 6,506.88 : x
  2. Step 2: Convert to fraction form
    10,487.22/14,471.51 = 6,506.88/x
  3. Step 3: Cross multiply
    10,487.22x = 14,471.51 × 6,506.88
  4. Step 4: Simplify right side
    10,487.22x = 94,164,346.45
  5. Step 5: Solve for x
    x = 94,164,346.45/10,487.22
  6. Step 6: Final answer
    x = 8,978.96

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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.