Home / 8,812.04-12,160.59-5,454.19

Finding the Fourth Proportional to 8,812.04, 12,160.59 and 5,454.19

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Solution

The fourth proportional to 8,812.04, 12,160.59 and 5,454.19 is: 7,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.04 : 12,160.59 = 5,454.19 : x
  2. Step 2: Convert to fraction form
    8,812.04/12,160.59 = 5,454.19/x
  3. Step 3: Cross multiply
    8,812.04x = 12,160.59 × 5,454.19
  4. Step 4: Simplify right side
    8,812.04x = 66,326,117.52
  5. Step 5: Solve for x
    x = 66,326,117.52/8,812.04
  6. Step 6: Final answer
    x = 7,526.76

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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.