Home / 8,729.56-12,041.76-5,537.08

Finding the Fourth Proportional to 8,729.56, 12,041.76 and 5,537.08

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Solution

The fourth proportional to 8,729.56, 12,041.76 and 5,537.08 is: 7,637.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.56 : 12,041.76 = 5,537.08 : x
  2. Step 2: Convert to fraction form
    8,729.56/12,041.76 = 5,537.08/x
  3. Step 3: Cross multiply
    8,729.56x = 12,041.76 × 5,537.08
  4. Step 4: Simplify right side
    8,729.56x = 66,676,188.46
  5. Step 5: Solve for x
    x = 66,676,188.46/8,729.56
  6. Step 6: Final answer
    x = 7,637.98

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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.