Home / 10,587.51-15,868.31-4,957.61

Finding the Fourth Proportional to 10,587.51, 15,868.31 and 4,957.61

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Solution

The fourth proportional to 10,587.51, 15,868.31 and 4,957.61 is: 7,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.51 : 15,868.31 = 4,957.61 : x
  2. Step 2: Convert to fraction form
    10,587.51/15,868.31 = 4,957.61/x
  3. Step 3: Cross multiply
    10,587.51x = 15,868.31 × 4,957.61
  4. Step 4: Simplify right side
    10,587.51x = 78,668,788.21
  5. Step 5: Solve for x
    x = 78,668,788.21/10,587.51
  6. Step 6: Final answer
    x = 7,430.34

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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.