Home / 8,303.52-11,458.40-5,159.68

Finding the Fourth Proportional to 8,303.52, 11,458.40 and 5,159.68

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Solution

The fourth proportional to 8,303.52, 11,458.40 and 5,159.68 is: 7,120.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.52 : 11,458.40 = 5,159.68 : x
  2. Step 2: Convert to fraction form
    8,303.52/11,458.40 = 5,159.68/x
  3. Step 3: Cross multiply
    8,303.52x = 11,458.40 × 5,159.68
  4. Step 4: Simplify right side
    8,303.52x = 59,121,677.31
  5. Step 5: Solve for x
    x = 59,121,677.31/8,303.52
  6. Step 6: Final answer
    x = 7,120.07

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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.