Home / 13,417.52-18,511.46-7,752.11

Finding the Fourth Proportional to 13,417.52, 18,511.46 and 7,752.11

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Solution

The fourth proportional to 13,417.52, 18,511.46 and 7,752.11 is: 10,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.52 : 18,511.46 = 7,752.11 : x
  2. Step 2: Convert to fraction form
    13,417.52/18,511.46 = 7,752.11/x
  3. Step 3: Cross multiply
    13,417.52x = 18,511.46 × 7,752.11
  4. Step 4: Simplify right side
    13,417.52x = 143,502,742.86
  5. Step 5: Solve for x
    x = 143,502,742.86/13,417.52
  6. Step 6: Final answer
    x = 10,695.18

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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.