Home / 9,031.60-13,547.40-4,657.60

Finding the Fourth Proportional to 9,031.60, 13,547.40 and 4,657.60

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Solution

The fourth proportional to 9,031.60, 13,547.40 and 4,657.60 is: 6,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.60 : 13,547.40 = 4,657.60 : x
  2. Step 2: Convert to fraction form
    9,031.60/13,547.40 = 4,657.60/x
  3. Step 3: Cross multiply
    9,031.60x = 13,547.40 × 4,657.60
  4. Step 4: Simplify right side
    9,031.60x = 63,098,370.24
  5. Step 5: Solve for x
    x = 63,098,370.24/9,031.60
  6. Step 6: Final answer
    x = 6,986.40

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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.