Home / 10,547.55-15,822.14-3,151.44

Finding the Fourth Proportional to 10,547.55, 15,822.14 and 3,151.44

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Solution

The fourth proportional to 10,547.55, 15,822.14 and 3,151.44 is: 4,727.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.55 : 15,822.14 = 3,151.44 : x
  2. Step 2: Convert to fraction form
    10,547.55/15,822.14 = 3,151.44/x
  3. Step 3: Cross multiply
    10,547.55x = 15,822.14 × 3,151.44
  4. Step 4: Simplify right side
    10,547.55x = 49,862,509.12
  5. Step 5: Solve for x
    x = 49,862,509.12/10,547.55
  6. Step 6: Final answer
    x = 4,727.40

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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.