Home / 7,567.40-10,445.72-4,382.12

Finding the Fourth Proportional to 7,567.40, 10,445.72 and 4,382.12

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Solution

The fourth proportional to 7,567.40, 10,445.72 and 4,382.12 is: 6,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.40 : 10,445.72 = 4,382.12 : x
  2. Step 2: Convert to fraction form
    7,567.40/10,445.72 = 4,382.12/x
  3. Step 3: Cross multiply
    7,567.40x = 10,445.72 × 4,382.12
  4. Step 4: Simplify right side
    7,567.40x = 45,774,398.53
  5. Step 5: Solve for x
    x = 45,774,398.53/7,567.40
  6. Step 6: Final answer
    x = 6,048.89

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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.