Home / 10,547.28-15,823.20-3,527.92

Finding the Fourth Proportional to 10,547.28, 15,823.20 and 3,527.92

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Solution

The fourth proportional to 10,547.28, 15,823.20 and 3,527.92 is: 5,292.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.28 : 15,823.20 = 3,527.92 : x
  2. Step 2: Convert to fraction form
    10,547.28/15,823.20 = 3,527.92/x
  3. Step 3: Cross multiply
    10,547.28x = 15,823.20 × 3,527.92
  4. Step 4: Simplify right side
    10,547.28x = 55,822,996.91
  5. Step 5: Solve for x
    x = 55,822,996.91/10,547.28
  6. Step 6: Final answer
    x = 5,292.64

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1.5x scale

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.