Home / 10,531.89-14,532.35-6,551.55

Finding the Fourth Proportional to 10,531.89, 14,532.35 and 6,551.55

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Solution

The fourth proportional to 10,531.89, 14,532.35 and 6,551.55 is: 9,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.89 : 14,532.35 = 6,551.55 : x
  2. Step 2: Convert to fraction form
    10,531.89/14,532.35 = 6,551.55/x
  3. Step 3: Cross multiply
    10,531.89x = 14,532.35 × 6,551.55
  4. Step 4: Simplify right side
    10,531.89x = 95,209,384.88
  5. Step 5: Solve for x
    x = 95,209,384.88/10,531.89
  6. Step 6: Final answer
    x = 9,040.10

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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.