Home / 8,341.40-12,490.93-5,007.57

Finding the Fourth Proportional to 8,341.40, 12,490.93 and 5,007.57

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Solution

The fourth proportional to 8,341.40, 12,490.93 and 5,007.57 is: 7,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341.40 : 12,490.93 = 5,007.57 : x
  2. Step 2: Convert to fraction form
    8,341.40/12,490.93 = 5,007.57/x
  3. Step 3: Cross multiply
    8,341.40x = 12,490.93 × 5,007.57
  4. Step 4: Simplify right side
    8,341.40x = 62,549,206.34
  5. Step 5: Solve for x
    x = 62,549,206.34/8,341.40
  6. Step 6: Final answer
    x = 7,498.65

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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.