Home / 10,437.40-15,656.10-3,516.76

Finding the Fourth Proportional to 10,437.40, 15,656.10 and 3,516.76

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Solution

The fourth proportional to 10,437.40, 15,656.10 and 3,516.76 is: 5,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.40 : 15,656.10 = 3,516.76 : x
  2. Step 2: Convert to fraction form
    10,437.40/15,656.10 = 3,516.76/x
  3. Step 3: Cross multiply
    10,437.40x = 15,656.10 × 3,516.76
  4. Step 4: Simplify right side
    10,437.40x = 55,058,746.24
  5. Step 5: Solve for x
    x = 55,058,746.24/10,437.40
  6. Step 6: Final answer
    x = 5,275.14

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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.