Home / 10,059.60-15,095.28-4,215.76

Finding the Fourth Proportional to 10,059.60, 15,095.28 and 4,215.76

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Solution

The fourth proportional to 10,059.60, 15,095.28 and 4,215.76 is: 6,326.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,059.60 : 15,095.28 = 4,215.76 : x
  2. Step 2: Convert to fraction form
    10,059.60/15,095.28 = 4,215.76/x
  3. Step 3: Cross multiply
    10,059.60x = 15,095.28 × 4,215.76
  4. Step 4: Simplify right side
    10,059.60x = 63,638,077.61
  5. Step 5: Solve for x
    x = 63,638,077.61/10,059.60
  6. Step 6: Final answer
    x = 6,326.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.