Home / 10,368.14-15,545.95-4,129.11

Finding the Fourth Proportional to 10,368.14, 15,545.95 and 4,129.11

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Solution

The fourth proportional to 10,368.14, 15,545.95 and 4,129.11 is: 6,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.14 : 15,545.95 = 4,129.11 : x
  2. Step 2: Convert to fraction form
    10,368.14/15,545.95 = 4,129.11/x
  3. Step 3: Cross multiply
    10,368.14x = 15,545.95 × 4,129.11
  4. Step 4: Simplify right side
    10,368.14x = 64,190,927.28
  5. Step 5: Solve for x
    x = 64,190,927.28/10,368.14
  6. Step 6: Final answer
    x = 6,191.17

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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.