Home / 8,557.47-11,799.95-5,567.76

Finding the Fourth Proportional to 8,557.47, 11,799.95 and 5,567.76

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Solution

The fourth proportional to 8,557.47, 11,799.95 and 5,567.76 is: 7,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.47 : 11,799.95 = 5,567.76 : x
  2. Step 2: Convert to fraction form
    8,557.47/11,799.95 = 5,567.76/x
  3. Step 3: Cross multiply
    8,557.47x = 11,799.95 × 5,567.76
  4. Step 4: Simplify right side
    8,557.47x = 65,699,261.77
  5. Step 5: Solve for x
    x = 65,699,261.77/8,557.47
  6. Step 6: Final answer
    x = 7,677.42

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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.