Home / 8,590.26-12,875.40-7,032.90

Finding the Fourth Proportional to 8,590.26, 12,875.40 and 7,032.90

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Solution

The fourth proportional to 8,590.26, 12,875.40 and 7,032.90 is: 10,541.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.26 : 12,875.40 = 7,032.90 : x
  2. Step 2: Convert to fraction form
    8,590.26/12,875.40 = 7,032.90/x
  3. Step 3: Cross multiply
    8,590.26x = 12,875.40 × 7,032.90
  4. Step 4: Simplify right side
    8,590.26x = 90,551,400.66
  5. Step 5: Solve for x
    x = 90,551,400.66/8,590.26
  6. Step 6: Final answer
    x = 10,541.17

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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.