Home / 8,528.16-11,765.28-5,543.04

Finding the Fourth Proportional to 8,528.16, 11,765.28 and 5,543.04

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Solution

The fourth proportional to 8,528.16, 11,765.28 and 5,543.04 is: 7,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.16 : 11,765.28 = 5,543.04 : x
  2. Step 2: Convert to fraction form
    8,528.16/11,765.28 = 5,543.04/x
  3. Step 3: Cross multiply
    8,528.16x = 11,765.28 × 5,543.04
  4. Step 4: Simplify right side
    8,528.16x = 65,215,417.65
  5. Step 5: Solve for x
    x = 65,215,417.65/8,528.16
  6. Step 6: Final answer
    x = 7,647.07

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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.