Home / 7,246.18-9,999.87-4,729.90

Finding the Fourth Proportional to 7,246.18, 9,999.87 and 4,729.90

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Solution

The fourth proportional to 7,246.18, 9,999.87 and 4,729.90 is: 6,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.18 : 9,999.87 = 4,729.90 : x
  2. Step 2: Convert to fraction form
    7,246.18/9,999.87 = 4,729.90/x
  3. Step 3: Cross multiply
    7,246.18x = 9,999.87 × 4,729.90
  4. Step 4: Simplify right side
    7,246.18x = 47,298,385.11
  5. Step 5: Solve for x
    x = 47,298,385.11/7,246.18
  6. Step 6: Final answer
    x = 6,527.35

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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.