Home / 10,373.06-14,315.13-5,657.65

Finding the Fourth Proportional to 10,373.06, 14,315.13 and 5,657.65

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Solution

The fourth proportional to 10,373.06, 14,315.13 and 5,657.65 is: 7,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.06 : 14,315.13 = 5,657.65 : x
  2. Step 2: Convert to fraction form
    10,373.06/14,315.13 = 5,657.65/x
  3. Step 3: Cross multiply
    10,373.06x = 14,315.13 × 5,657.65
  4. Step 4: Simplify right side
    10,373.06x = 80,989,959.46
  5. Step 5: Solve for x
    x = 80,989,959.46/10,373.06
  6. Step 6: Final answer
    x = 7,807.72

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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.