Home / 42,313.40-63,465.28-11,151.08

Finding the Fourth Proportional to 42,313.40, 63,465.28 and 11,151.08

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Solution

The fourth proportional to 42,313.40, 63,465.28 and 11,151.08 is: 16,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,313.40 : 63,465.28 = 11,151.08 : x
  2. Step 2: Convert to fraction form
    42,313.40/63,465.28 = 11,151.08/x
  3. Step 3: Cross multiply
    42,313.40x = 63,465.28 × 11,151.08
  4. Step 4: Simplify right side
    42,313.40x = 707,706,414.50
  5. Step 5: Solve for x
    x = 707,706,414.50/42,313.40
  6. Step 6: Final answer
    x = 16,725.35

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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.