Home / 10,530.72-14,535.18-6,549.57

Finding the Fourth Proportional to 10,530.72, 14,535.18 and 6,549.57

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Solution

The fourth proportional to 10,530.72, 14,535.18 and 6,549.57 is: 9,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.72 : 14,535.18 = 6,549.57 : x
  2. Step 2: Convert to fraction form
    10,530.72/14,535.18 = 6,549.57/x
  3. Step 3: Cross multiply
    10,530.72x = 14,535.18 × 6,549.57
  4. Step 4: Simplify right side
    10,530.72x = 95,199,178.87
  5. Step 5: Solve for x
    x = 95,199,178.87/10,530.72
  6. Step 6: Final answer
    x = 9,040.14

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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.