Home / 11,176.40-15,439.17-10,585.91

Finding the Fourth Proportional to 11,176.40, 15,439.17 and 10,585.91

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Solution

The fourth proportional to 11,176.40, 15,439.17 and 10,585.91 is: 14,623.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.40 : 15,439.17 = 10,585.91 : x
  2. Step 2: Convert to fraction form
    11,176.40/15,439.17 = 10,585.91/x
  3. Step 3: Cross multiply
    11,176.40x = 15,439.17 × 10,585.91
  4. Step 4: Simplify right side
    11,176.40x = 163,437,610.89
  5. Step 5: Solve for x
    x = 163,437,610.89/11,176.40
  6. Step 6: Final answer
    x = 14,623.46

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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.