Home / 10,973.31-15,145.54-6,937.57

Finding the Fourth Proportional to 10,973.31, 15,145.54 and 6,937.57

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Solution

The fourth proportional to 10,973.31, 15,145.54 and 6,937.57 is: 9,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,973.31 : 15,145.54 = 6,937.57 : x
  2. Step 2: Convert to fraction form
    10,973.31/15,145.54 = 6,937.57/x
  3. Step 3: Cross multiply
    10,973.31x = 15,145.54 × 6,937.57
  4. Step 4: Simplify right side
    10,973.31x = 105,073,336.90
  5. Step 5: Solve for x
    x = 105,073,336.90/10,973.31
  6. Step 6: Final answer
    x = 9,575.35

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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.