Home / 10,325.16-14,248.80-5,609.46

Finding the Fourth Proportional to 10,325.16, 14,248.80 and 5,609.46

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Solution

The fourth proportional to 10,325.16, 14,248.80 and 5,609.46 is: 7,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.16 : 14,248.80 = 5,609.46 : x
  2. Step 2: Convert to fraction form
    10,325.16/14,248.80 = 5,609.46/x
  3. Step 3: Cross multiply
    10,325.16x = 14,248.80 × 5,609.46
  4. Step 4: Simplify right side
    10,325.16x = 79,928,073.65
  5. Step 5: Solve for x
    x = 79,928,073.65/10,325.16
  6. Step 6: Final answer
    x = 7,741.10

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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.