Home / 10,561.42-15,842.52-4,718.08

Finding the Fourth Proportional to 10,561.42, 15,842.52 and 4,718.08

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Solution

The fourth proportional to 10,561.42, 15,842.52 and 4,718.08 is: 7,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.42 : 15,842.52 = 4,718.08 : x
  2. Step 2: Convert to fraction form
    10,561.42/15,842.52 = 4,718.08/x
  3. Step 3: Cross multiply
    10,561.42x = 15,842.52 × 4,718.08
  4. Step 4: Simplify right side
    10,561.42x = 74,746,276.76
  5. Step 5: Solve for x
    x = 74,746,276.76/10,561.42
  6. Step 6: Final answer
    x = 7,077.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.