Home / 10,179.18-14,047.47-5,702.90

Finding the Fourth Proportional to 10,179.18, 14,047.47 and 5,702.90

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Solution

The fourth proportional to 10,179.18, 14,047.47 and 5,702.90 is: 7,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.18 : 14,047.47 = 5,702.90 : x
  2. Step 2: Convert to fraction form
    10,179.18/14,047.47 = 5,702.90/x
  3. Step 3: Cross multiply
    10,179.18x = 14,047.47 × 5,702.90
  4. Step 4: Simplify right side
    10,179.18x = 80,111,246.43
  5. Step 5: Solve for x
    x = 80,111,246.43/10,179.18
  6. Step 6: Final answer
    x = 7,870.11

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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.