Home / 10,875.74-15,008.49-6,160.05

Finding the Fourth Proportional to 10,875.74, 15,008.49 and 6,160.05

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Solution

The fourth proportional to 10,875.74, 15,008.49 and 6,160.05 is: 8,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.74 : 15,008.49 = 6,160.05 : x
  2. Step 2: Convert to fraction form
    10,875.74/15,008.49 = 6,160.05/x
  3. Step 3: Cross multiply
    10,875.74x = 15,008.49 × 6,160.05
  4. Step 4: Simplify right side
    10,875.74x = 92,453,048.82
  5. Step 5: Solve for x
    x = 92,453,048.82/10,875.74
  6. Step 6: Final answer
    x = 8,500.86

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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.