Home / 10,587.60-15,888.70-4,750.74

Finding the Fourth Proportional to 10,587.60, 15,888.70 and 4,750.74

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Solution

The fourth proportional to 10,587.60, 15,888.70 and 4,750.74 is: 7,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.60 : 15,888.70 = 4,750.74 : x
  2. Step 2: Convert to fraction form
    10,587.60/15,888.70 = 4,750.74/x
  3. Step 3: Cross multiply
    10,587.60x = 15,888.70 × 4,750.74
  4. Step 4: Simplify right side
    10,587.60x = 75,483,082.64
  5. Step 5: Solve for x
    x = 75,483,082.64/10,587.60
  6. Step 6: Final answer
    x = 7,129.39

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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.