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Finding the Fourth Proportional to 9,752.66, 13,458.60 and 5,276.34

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Solution

The fourth proportional to 9,752.66, 13,458.60 and 5,276.34 is: 7,281.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,752.66 : 13,458.60 = 5,276.34 : x
  2. Step 2: Convert to fraction form
    9,752.66/13,458.60 = 5,276.34/x
  3. Step 3: Cross multiply
    9,752.66x = 13,458.60 × 5,276.34
  4. Step 4: Simplify right side
    9,752.66x = 71,012,149.52
  5. Step 5: Solve for x
    x = 71,012,149.52/9,752.66
  6. Step 6: Final answer
    x = 7,281.31

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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.