Home / 10,178.19-14,045.81-5,702.13

Finding the Fourth Proportional to 10,178.19, 14,045.81 and 5,702.13

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Solution

The fourth proportional to 10,178.19, 14,045.81 and 5,702.13 is: 7,868.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.19 : 14,045.81 = 5,702.13 : x
  2. Step 2: Convert to fraction form
    10,178.19/14,045.81 = 5,702.13/x
  3. Step 3: Cross multiply
    10,178.19x = 14,045.81 × 5,702.13
  4. Step 4: Simplify right side
    10,178.19x = 80,091,006.06
  5. Step 5: Solve for x
    x = 80,091,006.06/10,178.19
  6. Step 6: Final answer
    x = 7,868.88

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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.