Home / 10,772.16-14,864.40-6,579.60

Finding the Fourth Proportional to 10,772.16, 14,864.40 and 6,579.60

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Solution

The fourth proportional to 10,772.16, 14,864.40 and 6,579.60 is: 9,079.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.16 : 14,864.40 = 6,579.60 : x
  2. Step 2: Convert to fraction form
    10,772.16/14,864.40 = 6,579.60/x
  3. Step 3: Cross multiply
    10,772.16x = 14,864.40 × 6,579.60
  4. Step 4: Simplify right side
    10,772.16x = 97,801,806.24
  5. Step 5: Solve for x
    x = 97,801,806.24/10,772.16
  6. Step 6: Final answer
    x = 9,079.13

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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.