Home / 10,187.19-15,277.13-5,510.65

Finding the Fourth Proportional to 10,187.19, 15,277.13 and 5,510.65

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Solution

The fourth proportional to 10,187.19, 15,277.13 and 5,510.65 is: 8,264.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.19 : 15,277.13 = 5,510.65 : x
  2. Step 2: Convert to fraction form
    10,187.19/15,277.13 = 5,510.65/x
  3. Step 3: Cross multiply
    10,187.19x = 15,277.13 × 5,510.65
  4. Step 4: Simplify right side
    10,187.19x = 84,186,930.21
  5. Step 5: Solve for x
    x = 84,186,930.21/10,187.19
  6. Step 6: Final answer
    x = 8,264.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.