Home / 7,567.60-10,442.28-4,209.74

Finding the Fourth Proportional to 7,567.60, 10,442.28 and 4,209.74

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Solution

The fourth proportional to 7,567.60, 10,442.28 and 4,209.74 is: 5,808.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,567.60 : 10,442.28 = 4,209.74 : x
  2. Step 2: Convert to fraction form
    7,567.60/10,442.28 = 4,209.74/x
  3. Step 3: Cross multiply
    7,567.60x = 10,442.28 × 4,209.74
  4. Step 4: Simplify right side
    7,567.60x = 43,959,283.81
  5. Step 5: Solve for x
    x = 43,959,283.81/7,567.60
  6. Step 6: Final answer
    x = 5,808.88

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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.