Home / 10,434.95-15,652.50-3,509.45

Finding the Fourth Proportional to 10,434.95, 15,652.50 and 3,509.45

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Solution

The fourth proportional to 10,434.95, 15,652.50 and 3,509.45 is: 5,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.95 : 15,652.50 = 3,509.45 : x
  2. Step 2: Convert to fraction form
    10,434.95/15,652.50 = 3,509.45/x
  3. Step 3: Cross multiply
    10,434.95x = 15,652.50 × 3,509.45
  4. Step 4: Simplify right side
    10,434.95x = 54,931,666.13
  5. Step 5: Solve for x
    x = 54,931,666.13/10,434.95
  6. Step 6: Final answer
    x = 5,264.20

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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.