Home / 11,275.16-15,562.85-6,560.35

Finding the Fourth Proportional to 11,275.16, 15,562.85 and 6,560.35

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Solution

The fourth proportional to 11,275.16, 15,562.85 and 6,560.35 is: 9,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.16 : 15,562.85 = 6,560.35 : x
  2. Step 2: Convert to fraction form
    11,275.16/15,562.85 = 6,560.35/x
  3. Step 3: Cross multiply
    11,275.16x = 15,562.85 × 6,560.35
  4. Step 4: Simplify right side
    11,275.16x = 102,097,710.20
  5. Step 5: Solve for x
    x = 102,097,710.20/11,275.16
  6. Step 6: Final answer
    x = 9,055.10

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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.