Home / 10,875.18-15,008.10-6,159.36

Finding the Fourth Proportional to 10,875.18, 15,008.10 and 6,159.36

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Solution

The fourth proportional to 10,875.18, 15,008.10 and 6,159.36 is: 8,500.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.18 : 15,008.10 = 6,159.36 : x
  2. Step 2: Convert to fraction form
    10,875.18/15,008.10 = 6,159.36/x
  3. Step 3: Cross multiply
    10,875.18x = 15,008.10 × 6,159.36
  4. Step 4: Simplify right side
    10,875.18x = 92,440,290.82
  5. Step 5: Solve for x
    x = 92,440,290.82/10,875.18
  6. Step 6: Final answer
    x = 8,500.12

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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.