Home / 9,445.60-14,159.04-5,289.12

Finding the Fourth Proportional to 9,445.60, 14,159.04 and 5,289.12

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Solution

The fourth proportional to 9,445.60, 14,159.04 and 5,289.12 is: 7,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445.60 : 14,159.04 = 5,289.12 : x
  2. Step 2: Convert to fraction form
    9,445.60/14,159.04 = 5,289.12/x
  3. Step 3: Cross multiply
    9,445.60x = 14,159.04 × 5,289.12
  4. Step 4: Simplify right side
    9,445.60x = 74,888,861.64
  5. Step 5: Solve for x
    x = 74,888,861.64/9,445.60
  6. Step 6: Final answer
    x = 7,928.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.