Home / 9,517.95-13,140.05-6,335.55

Finding the Fourth Proportional to 9,517.95, 13,140.05 and 6,335.55

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Solution

The fourth proportional to 9,517.95, 13,140.05 and 6,335.55 is: 8,746.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,517.95 : 13,140.05 = 6,335.55 : x
  2. Step 2: Convert to fraction form
    9,517.95/13,140.05 = 6,335.55/x
  3. Step 3: Cross multiply
    9,517.95x = 13,140.05 × 6,335.55
  4. Step 4: Simplify right side
    9,517.95x = 83,249,412.10
  5. Step 5: Solve for x
    x = 83,249,412.10/9,517.95
  6. Step 6: Final answer
    x = 8,746.57

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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.