Home / 10,275.04-14,179.53-5,559.40

Finding the Fourth Proportional to 10,275.04, 14,179.53 and 5,559.40

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Solution

The fourth proportional to 10,275.04, 14,179.53 and 5,559.40 is: 7,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.04 : 14,179.53 = 5,559.40 : x
  2. Step 2: Convert to fraction form
    10,275.04/14,179.53 = 5,559.40/x
  3. Step 3: Cross multiply
    10,275.04x = 14,179.53 × 5,559.40
  4. Step 4: Simplify right side
    10,275.04x = 78,829,679.08
  5. Step 5: Solve for x
    x = 78,829,679.08/10,275.04
  6. Step 6: Final answer
    x = 7,671.96

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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.