Home / 10,925.55-15,077.28-6,209.85

Finding the Fourth Proportional to 10,925.55, 15,077.28 and 6,209.85

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Solution

The fourth proportional to 10,925.55, 15,077.28 and 6,209.85 is: 8,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.55 : 15,077.28 = 6,209.85 : x
  2. Step 2: Convert to fraction form
    10,925.55/15,077.28 = 6,209.85/x
  3. Step 3: Cross multiply
    10,925.55x = 15,077.28 × 6,209.85
  4. Step 4: Simplify right side
    10,925.55x = 93,627,647.21
  5. Step 5: Solve for x
    x = 93,627,647.21/10,925.55
  6. Step 6: Final answer
    x = 8,569.60

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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.