Home / 12,407.28-18,595.80-6,560.16

Finding the Fourth Proportional to 12,407.28, 18,595.80 and 6,560.16

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Solution

The fourth proportional to 12,407.28, 18,595.80 and 6,560.16 is: 9,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.28 : 18,595.80 = 6,560.16 : x
  2. Step 2: Convert to fraction form
    12,407.28/18,595.80 = 6,560.16/x
  3. Step 3: Cross multiply
    12,407.28x = 18,595.80 × 6,560.16
  4. Step 4: Simplify right side
    12,407.28x = 121,991,423.33
  5. Step 5: Solve for x
    x = 121,991,423.33/12,407.28
  6. Step 6: Final answer
    x = 9,832.25

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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.